389633841

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 585728000

約数和(自身を除く): 196094159

約数列:

[1, 3, 9, 27, 127, 199, 381, 571, 597, 1143, 1713, 1791, 3429, 5139, 5373, 15417, 25273, 72517, 75819, 113629, 217551, 227457, 340887, 652653, 682371, 1022661, 1957959, 3067983, 14430883, 43292649, 129877947, 389633841]

約数ペア:

[(1, 389633841), (3, 129877947), (9, 43292649), (27, 14430883), (127, 3067983), (199, 1957959), (381, 1022661), (571, 682371), (597, 652653), (1143, 340887), (1713, 227457), (1791, 217551), (3429, 113629), (5139, 75819), (5373, 72517), (15417, 25273)]